Colorfulworldstore Cartoon swimming cap-Spider Silicone swimming cap-Children's swim cap hat Cartoon swimming cap-Spider Silicone swimming cap-Children's swim cap hat Raw Material: 100% food grade silicone high elasticity Size: Standard size in M, conventional Children, suit for 3~10years old children (opening width 17.5CM, middle widest 21CM,High 18CM) color optional: Red, blue Spider cartoon Silicone swimming cap for unisex child of boys and girls